Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes

We studied the tephra inventory of 14 deep sea drill sites of three Deep Sea Drilling Project and Ocean Drilling Program legs drilled offshore Guatemala and El Salvador (Legs 67, 84, and 138) and one leg offshore Mexico (Leg 66). Marine tephra layers reach back from the Miocene to the Holocene. We i...

Full description

Bibliographic Details
Main Authors: Eisele, Steffen, Wang, K.‐L., Frische, M., Schindlbeck, J. C., Kutterolf, S., Freundt, A.
Other Authors: Asian School of the Environment
Format: Journal Article
Language:English
Published: 2019
Subjects:
Online Access:https://hdl.handle.net/10356/82974
http://hdl.handle.net/10220/47534
_version_ 1811695984741187584
author Eisele, Steffen
Wang, K.‐L.
Frische, M.
Schindlbeck, J. C.
Kutterolf, S.
Freundt, A.
author2 Asian School of the Environment
author_facet Asian School of the Environment
Eisele, Steffen
Wang, K.‐L.
Frische, M.
Schindlbeck, J. C.
Kutterolf, S.
Freundt, A.
author_sort Eisele, Steffen
collection NTU
description We studied the tephra inventory of 14 deep sea drill sites of three Deep Sea Drilling Project and Ocean Drilling Program legs drilled offshore Guatemala and El Salvador (Legs 67, 84, and 138) and one leg offshore Mexico (Leg 66). Marine tephra layers reach back from the Miocene to the Holocene. We identified 223 primary ash beds and correlated these between the drill sites, with regions along the volcanic arcs, and to specific eruptions known from land. In total, 24 correlations were established between marine tephra layers and to well‐known Quaternary eruptions from El Salvador and Guatemala. Additional 25 tephra layers were correlated between marine sites. Another 108 single ash layers have been assigned to source areas on land resulting in a total of 157 single eruptive events. Tephra layer correlations to independently dated terrestrial deposits provide new time markers and help to improve or confirm age models of the respective drill sites. Applying the respective sedimentation rates derived from the age models, we calculated ages for all marine ash beds. Hence, we also obtained new age estimates for eight known but so far undated large terrestrial eruptions. Furthermore, this enables us to study the temporal evolution of explosive eruptions along the arc, and we discovered five pulses of increased activity: (1) a pulse during the Quaternary, (2) a Pliocene pulse between 6 and 3 Ma, (3) a Late Miocene pulse between 10 and 7 Ma, (4) a Middle Miocene pulse between 17 and 11 Ma, and (5) an Early Miocene pulse (ca. >21 Ma).
first_indexed 2024-10-01T07:32:09Z
format Journal Article
id ntu-10356/82974
institution Nanyang Technological University
language English
last_indexed 2024-10-01T07:32:09Z
publishDate 2019
record_format dspace
spelling ntu-10356/829742023-02-28T16:42:00Z Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes Eisele, Steffen Wang, K.‐L. Frische, M. Schindlbeck, J. C. Kutterolf, S. Freundt, A. Asian School of the Environment Volcanic Complexes Marine DRNTU::Science::Geology We studied the tephra inventory of 14 deep sea drill sites of three Deep Sea Drilling Project and Ocean Drilling Program legs drilled offshore Guatemala and El Salvador (Legs 67, 84, and 138) and one leg offshore Mexico (Leg 66). Marine tephra layers reach back from the Miocene to the Holocene. We identified 223 primary ash beds and correlated these between the drill sites, with regions along the volcanic arcs, and to specific eruptions known from land. In total, 24 correlations were established between marine tephra layers and to well‐known Quaternary eruptions from El Salvador and Guatemala. Additional 25 tephra layers were correlated between marine sites. Another 108 single ash layers have been assigned to source areas on land resulting in a total of 157 single eruptive events. Tephra layer correlations to independently dated terrestrial deposits provide new time markers and help to improve or confirm age models of the respective drill sites. Applying the respective sedimentation rates derived from the age models, we calculated ages for all marine ash beds. Hence, we also obtained new age estimates for eight known but so far undated large terrestrial eruptions. Furthermore, this enables us to study the temporal evolution of explosive eruptions along the arc, and we discovered five pulses of increased activity: (1) a pulse during the Quaternary, (2) a Pliocene pulse between 6 and 3 Ma, (3) a Late Miocene pulse between 10 and 7 Ma, (4) a Middle Miocene pulse between 17 and 11 Ma, and (5) an Early Miocene pulse (ca. >21 Ma). Published version 2019-01-22T04:21:02Z 2019-12-06T15:09:20Z 2019-01-22T04:21:02Z 2019-12-06T15:09:20Z 2018 Journal Article Schindlbeck, J. C., Kutterolf, S., Freundt, A., Eisele, S., Wang, K.-L., & Frische, M. (2018). Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes. Geochemistry, Geophysics, Geosystems, 19(11), 4143-4173. doi:10.1029/2018GC007832 https://hdl.handle.net/10356/82974 http://hdl.handle.net/10220/47534 10.1029/2018GC007832 en Geochemistry, Geophysics, Geosystems © 2018 American Geophysical Union. All rights reserved. This paper was published in Geochemistry, Geophysics, Geosystems and is made available with permission of American Geophysical Union. 31 p. application/pdf
spellingShingle Volcanic Complexes
Marine
DRNTU::Science::Geology
Eisele, Steffen
Wang, K.‐L.
Frische, M.
Schindlbeck, J. C.
Kutterolf, S.
Freundt, A.
Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title_full Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title_fullStr Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title_full_unstemmed Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title_short Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico : pulsed activity of known volcanic complexes
title_sort miocene to holocene marine tephrostratigraphy offshore northern central america and southern mexico pulsed activity of known volcanic complexes
topic Volcanic Complexes
Marine
DRNTU::Science::Geology
url https://hdl.handle.net/10356/82974
http://hdl.handle.net/10220/47534
work_keys_str_mv AT eiselesteffen miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes
AT wangkl miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes
AT frischem miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes
AT schindlbeckjc miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes
AT kutterolfs miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes
AT freundta miocenetoholocenemarinetephrostratigraphyoffshorenortherncentralamericaandsouthernmexicopulsedactivityofknownvolcaniccomplexes